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MathWorks

77 total contributions since 2020

I am an Application Support Engineer at Mathworks.
Disclaimer : Any articles/ideas/opinions here are my own and in no way reflect that of MathWorks.

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How can I get the instantaneous step size value in variable step solver at a simulink model?
Hi, you can use the "Clock" block in Simulink to get the current simulation time and the "memory" block to store this value for ...

3 días ago | 0

Live Script does not work

3 días ago | 0

Custom object class array initilization within Simulink Matlab Function Block
Hi Michael, According to the documentation for MATLAB Classes for Code generation, creation of arrays of objects is not support...

4 días ago | 0

2 Video Display side by side in a Custom User Interface
Hi, Please check the attached code. It runs the two videos side by side, however the rotation effect is removed. I hope this he...

4 días ago | 0

How do you delete and space characters in Matlab Virtual Keyboard ?
Hi, Just a naive try at what you asked, i hope it helps! function AddLetter(letter) %Called when letter press...

alrededor de 2 meses ago | 0

Trapezoid Rule method errors
Hi, The error you have posted occurs because the integral: trapz(r,B,2) evaluates to 0. This is then used as the dimension ...

alrededor de 2 meses ago | 0

Grouping vector elements that satisfy multiple conditions
Hi, I have written a small script which tries to group the vector A according to the conditions you have established, please go...

alrededor de 2 meses ago | 0

How to see the values of the Parameters defined as variables in the Examples given by Simulink?
Hi, "power" is struct with 7 fields, you can see the values of these fields as such (given that power variable exists in the ba...

alrededor de 2 meses ago | 0

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imnoise gaussian variance vs normal variance?
Hi, So the formula for adding Gaussian noise to the image by "imnoise" is given by: output = input + sqrt(v)*randn(size(input)...

alrededor de 2 meses ago | 0

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select bus elements programmatically
Hi, You can select the signals to be passed through the bus selector by using: %Say we want to choose the signals 1 and 2 to p...

alrededor de 2 meses ago | 0

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Recursive method to get the differential not working.
Hi Hampus, You will need to use the output function handle to evaluate the nth derivative approximation: f = @(x) x^5; df3 = ...

alrededor de 2 meses ago | 0

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Hi Alberto, The "readAprilTag" function is currently not supported for code generation. You could use the coder.extrinsic API t...

alrededor de 2 meses ago | 0

Help with Numerical Differentiation
Hello Deepa, Please check this example : Approximate derivates with diff function. You can easily calculate the forward finite...

alrededor de 2 meses ago | 0

How to calculate multivariable limit using matlb?
Hi Gaurav, Unfortunately, there is no special function as of now that calculates multivariable limits directly. However, ther...

4 meses ago | 0

Log-scale frequency axis in Signal Analyzer App
Hi Sukvasant, The Signal Analyzer app currently does not support changing the scale of the plot directly. However, a workaround...

4 meses ago | 0

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first order runge-kutta method
Hi, You can check this lecture series on solving ODEs in MATLAB : link. There is also a "Code and resources" section from where...

4 meses ago | 1

Same code but different result with optimal control - forward-backward sweep method
Hi, You may want to debug your program with the in-built debugging tools MATLAB provides. You may create a loop - counter varia...

4 meses ago | 0

Unable to Select Datastore (Deep Network Designer)
Hi, The most probable reason is that the support for importing built-in or custom datastores into Deep network designer was int...

4 meses ago | 0

How to make ptr during the gagerr process??
Hi, Referring to the documentation page of gagerr, I can give you an example as follows: %to display the ptr value, we need to...

4 meses ago | 0

How to generate points on the surface of an ellipsoid?
Hi, I believe you can use the ellipsoid function for this. Example: [x,y,z] = ellipsoid(0,-0.5,0,6,3.25,3.25); will create an...

4 meses ago | 0

Hi Brian, I have a few suggestions for you which may help: Use a different browser Do a hard refresh of the MATLAB academy h...

4 meses ago | 0

Help remove unconnected small pixel from image
Hi, I found the mistake at line 132 of the code you have attached. If you notice, grayImage is already a binary image so thresh...

4 meses ago | 0

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how to disable the CLI prompt to save simulink model before closing?
Hi, If you want to save your changes, may be you could use "save_system" command in your try block. In this way, when you close...

4 meses ago | 0

Close the prompt to save simulink model using Matlab code
Hi Seshasai, You could use the "/f" parameter with taskkill to forcefully terminate the process. Ofcourse, the changes made to ...

4 meses ago | 1

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error in HighwayLaneFollowingExample : 3D Simulation engine interface read error
Hi, The error you mentioned might be because you closed the Unreal Engine Simulation window before stopping the simulation in S...

4 meses ago | 0

'perform' function in Deeplearning toolbox
Hi Abdulaziz, The "perform" function returns the performance of the trained network calculated according to the net.performFcn ...

4 meses ago | 0

MATLAB shortcut not running after installation

4 meses ago | 0

Simulink InitFCN in MATLAB function2 block does not initialize object from h = fill()
Hi Stijn, It is my understanding that you are using the first script as the InitFcn callback of your function block, then later...

4 meses ago | 0

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calibration of a stereo dataset
Hi Riya, Please check out the Stereo Camera Calibrator App documentation page. It has all the detailed steps to get you starte...

4 meses ago | 0

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Solved

Tic Tac Toe FTW
Given a tic tac toe board: * 1 represents X * 0 represents empty. * -1 represents O It is X's move. If there is an imme...

5 meses ago